Gas in the crakcase
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Gas in the crakcase
Proud owner of 1985 F150 4X4 6 cylincer with manual transmission has a problem with gasoline getting into the crankcase. Fuel pump has been replaced (possible diaphragm trouble). Carburetor has been rebuilt (possible float trouble) but runs a little rich. Any ideas as to what to try next?
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I was wondering if top end has been rebuilt. My last ford f-150 had top end done before I got it. About a month after I owned it the oil smelt like fuel I was thinking the head gasket was going because I was getting alot of fuel and a little coolant in the oil turned out the intake wasnt tight in the rear of the motor.
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Thanks for the ideas, guys. I had the Ford garage change out the fuel pump when the problem started (had a 1984 6 cyclinder that failed for this reason). They would not rebuild my carb so I did it myself. It may still be running a little rich since I get an occassional backfire when shutting off. There is a whistle at startup that I believe to be an exhaust/intake thing. It stops as engine warms. Ford wanted $500+ to do the intake/exhaust thing. I said I could live with the whistle - and glad I have since other threads at this site tell that the problem returns after repair. No coolant loss or coloration in the oil - only thin and smells of gasoline. Last sample showed 37% fuel over oil.
Last edited by drkburg; Feb 10, 2005 at 08:33 PM.
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